Dave Hoffman

Robin Roberts sits down with Kim, Khloe and Kourtney Kardashian and Kris Jenner to explore the family dynamic between the women, the rise of their "Kardashian Inc", the tension between maintaining privacy and creating a top reality show and how younger members of the family navigate fame differently.

A look inside the infamous Gambino mob family, featuring a new interview with one of the most notorious hit men in mafia history, Sammy "The Bull" Gravano.

A historical journey spanning half a century and beyond at Walt Disney World, featuring spectacular visuals, musical performances, and interviews.

On October 14, 1947, Captain Chuck Yeager accomplished what many thought was impossible: he broke the sound barrier and in doing so, changed aviation history forever. Behind this remarkable achievement was a dedicated team of rocket scientists and engineers, and one incredible plane, a Bell X-1 named "Glamorous Glennis." This is the story of the plane and the people who dared to travel faster than the speed of sound, pushing flight science forward and proving that no matter the barrier, humanity can find a way to break through.

40 years after inventing armored suits that protect divers from attacks by smaller shark species of sharks, marine biologist, Jeremiah Sullivan, faces off against hungry hammerheads and deadly tiger sharks to measure their bite force, body strength and ability to chew through his advanced materials before creating new armor he’ll test by putting himself inside the devastating jaws of a 14-foot tiger shark.

Nickelodeon's Ultimate Halloween Haunted House is bringing all of the scares in this 30 minute hidden camera reality special, featuring your favorite Nick stars making their way through the ultimate haunted house experience.

He's caped, cowled and the coolest superhero of them all, because underneath that Batsuit, Batman only has his human strength and intellect to rely on. That and the greatest arsenal of crime fighting weaponry ever devised. But just where does comic book science fiction end and scientific fact begin? What technologies are behind the gadgets in Batman's utility belt? And just how plausible is the Batmobile? Get ready for a real life trip to the Batcave as we reveal the secrets behind Batman Tech.

Exploring the technical aspects of Star Wars vehicles, weapons and gadgetry, Star Wars Tech consults leading scientists in the fields of physics, prosthetics, lasers, engineering and astronomy to examine the plausibility of Star Wars technology based on science as we know it today.

This documentary discuss all the laws of physics , genetic biology and reflexis which Peter Parker (Spiderman) uses and how he become so powerful dispite of having comparatively weak body.

This investigative documentary based on Dan Brown's book Angels and Demons seeks to uncover any possible truth behind the theories posed in the story. Is the Vatican secretly embroiled in an ancient war with the Illuminati or is the story posed by brown pure fiction?